DDP NLLY-STK New Fuel Injector for 2004.5–2005 LLY Duramax

Restore factory-level power, fuel delivery, and drivability to your 6.6L LLY Duramax with this brand-new stock replacement injector from Dynomite Diesel Products. The DDP NLLY-STK is engineered as a direct-fit solution that matches original horsepower and flow specifications, making it an ideal choice when replacing a worn, leaking, or failing injector.

Built with the latest revisions and all-new components, this injector delivers consistent performance, improved reliability, and the efficiency your engine was designed for. It requires no additional tuning for stock applications and installs as a straightforward replacement.

Key Features

• Brand-new construction (not remanufactured)
• Stock horsepower and flow replacement
• Latest design revisions for enhanced durability
• Precision-built for consistent fuel delivery
• Sold individually
• No core charge
• 2-year unlimited-mileage warranty

Fitment

• 2004.5–2005 Chevrolet Silverado 2500HD / 3500HD
• 2004.5–2005 GMC Sierra 2500HD / 3500HD
• 6.6L Duramax LLY diesel only

This injector is an excellent option for maintaining original engine characteristics, fuel economy, and everyday reliability. Pair it with recommended service items such as new return lines.